What does CUSIP 45166A102 represent in this 13F holders report?

CUSIP 45166A102 is the security identifier for IDYA - IDEAYA Biosciences, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held IDYA - IDEAYA Biosciences, Inc. - Common Stock in Q1 2021?

87 institutional investors reported IDYA - IDEAYA Biosciences, Inc. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

IDEAYA Biosciences, Inc. - Common Stock (IDYA)

CUSIP: 45166A102

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 87,836,000
Total 13F shares: 23,772,357
Share change: +3,486,302
Total reported value: $605,123,340
Put/Call ratio: 82%
Price per share: $23.50
Number of holders: 87
Value change: +$111,002,539
Number of buys: 49
Number of sells: 34

Quarterly Holders Quick Answers

What is CUSIP 45166A102?
CUSIP 45166A102 identifies IDYA - IDEAYA Biosciences, Inc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 45166A102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of IDYA - IDEAYA Biosciences, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BVF INC/IL	13F	Company	3.7%	3,226,769	$45,175,000	—	31 Dec 2020	13F
Canaan Partners X LLC	13F	Company	3%	2,660,713	$37,250,000	—	31 Dec 2020	13F
Boxer Capital, LLC	13F	Company	2.5%	2,202,812	$30,839,000	—	31 Dec 2020	13F
RTW INVESTMENTS, LP	13F	Company	2.1%	1,846,843	$25,856,000	—	31 Dec 2020	13F
5AM Venture Management, LLC	13F	Company	2%	1,798,066	$25,173,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	1.4%	1,214,070	$16,995,000	—	31 Dec 2020	13F
Point72 Asset Management, L.P.	13F	Company	1.3%	1,111,111	$15,556,000	—	31 Dec 2020	13F
FEDERATED HERMES, INC.	13F	Company	1.3%	1,098,348	$15,377,000	—	31 Dec 2020	13F
Alphabet Inc.	13F	Company	0.86%	753,187	$10,545,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	0.82%	717,627	$10,046,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.54%	471,099	$6,595,000	—	31 Dec 2020	13F
DAFNA Capital Management LLC	13F	Company	0.38%	331,661	$4,643,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	0.26%	229,924	$3,219,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.25%	220,769	$3,090,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.25%	218,900	$3,065,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.23%	200,445	$2,807,000	—	31 Dec 2020	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.22%	193,123	$2,704,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.2%	174,248	$2,439,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.16%	139,400	$1,952,000	—	31 Dec 2020	13F
Marshall Wace North America L.P.	13F	Company	0.14%	120,872	$1,692,000	—	31 Dec 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.12%	103,885	$1,454,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.1%	85,739	$1,200,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.09%	82,508	$1,155,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.09%	76,690	$1,074,000	—	31 Dec 2020	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.09%	76,510	$1,071,000	—	31 Dec 2020	13F
Mission Creek Capital Partners, Inc.	13F	Company	0.07%	57,532	$805,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.06%	48,391	$678,000	—	31 Dec 2020	13F
Sio Capital Management, LLC	13F	Company	0.05%	48,298	$676,000	—	31 Dec 2020	13F
HAMILTON LANE ADVISORS LLC	13F	Company	0.05%	45,692	$640,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.05%	41,067	$573,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.04%	39,208	$549,000	—	31 Dec 2020	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.04%	38,959	$545,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.04%	36,963	$517,000	—	31 Dec 2020	13F
Ensign Peak Advisors, Inc	13F	Company	0.04%	36,915	$517,000	—	31 Dec 2020	13F
JACOB ASSET MANAGEMENT OF NEW YORK LLC	13F	Company	0.04%	36,000	$504,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.04%	35,490	$497,000	—	31 Dec 2020	13F
Squarepoint Ops LLC	13F	Company	0.04%	30,896	$433,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.03%	29,384	$411,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.03%	29,197	$409,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.03%	28,336	$397,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.03%	24,100	$337,000	—	31 Dec 2020	13F
TD ASSET MANAGEMENT INC	13F	Company	0.03%	23,500	$329,000	—	31 Dec 2020	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.03%	22,100	$309,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.02%	19,400	$272,000	—	31 Dec 2020	13F
Athanor Capital, LP	13F	Company	0.02%	18,594	$260,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.02%	17,519	$245,000	—	31 Dec 2020	13F
Greenspring Associates, LLC	13F	Company	0.02%	15,234	$213,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.02%	15,220	$213,000	—	31 Dec 2020	13F
Aberdeen Group plc	13F	Company	0.02%	13,320	$201,000	—	31 Dec 2020	13F
AlphaCentric Advisors LLC	13F	Company	0.01%	12,500	$175,000	—	31 Dec 2020	13F

Institutional Holders of IDEAYA Biosciences, Inc. - Common Stock (IDYA) as of Q1 2021

As of 31 Mar 2021, IDEAYA Biosciences, Inc. - Common Stock (IDYA) was held by 87 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 23,772,357 shares. The largest 10 holders included Canaan Partners X LLC, BVF INC/IL, RTW INVESTMENTS, LP, BOXER CAPITAL, LLC, 5AM Venture Management, LLC, FEDERATED HERMES, INC., Avidity Partners Management LP, BlackRock Inc., PRICE T ROWE ASSOCIATES INC /MD/, and VANGUARD GROUP INC. This page lists 87 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

Q1 2021 holders

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.